DiamondTouch: a multi-user touch technology
Proceedings of the 14th annual ACM symposium on User interface software and technology
PERCOM '03 Proceedings of the First IEEE International Conference on Pervasive Computing and Communications
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Hover widgets: using the tracking state to extend the capabilities of pen-operated devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Bringing physics to the surface
Proceedings of the 21st annual ACM symposium on User interface software and technology
An exploration of pen rolling for pen-based interaction
Proceedings of the 21st annual ACM symposium on User interface software and technology
The UnMousePad: an interpolating multi-touch force-sensing input pad
ACM SIGGRAPH 2009 papers
A reconfigurable ferromagnetic input device
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Abracadabra: wireless, high-precision, and unpowered finger input for very small mobile devices
Proceedings of the 22nd annual ACM symposium on User interface software and technology
FingerCloud: uncertainty and autonomy handover incapacitive sensing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
UIST '10 Proceedings of the 23nd annual ACM symposium on User interface software and technology
Acquiring and pointing: an empirical study of pen-tilt-based interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Nenya: subtle and eyes-free mobile input with a magnetically-tracked finger ring
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
AnglePose: robust, precise capacitive touch tracking via 3d orientation estimation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Conté: multimodal input inspired by an artist's crayon
Proceedings of the 24th annual ACM symposium on User interface software and technology
OmniTouch: wearable multitouch interaction everywhere
Proceedings of the 24th annual ACM symposium on User interface software and technology
GaussBrush: Drawing with Magnetic Stylus
SIGGRAPH Asia 2012 Emerging Technologies
GaussBits: magnetic tangible bits for portable and occlusion-free near-surface interactions
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
MagPen: magnetically driven pen interactions on and around conventional smartphones
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
MagGetz: customizable passive tangible controllers on and around conventional mobile devices
Proceedings of the 26th annual ACM symposium on User interface software and technology
FingerPad: private and subtle interaction using fingertips
Proceedings of the 26th annual ACM symposium on User interface software and technology
uTrack: 3D input using two magnetic sensors
Proceedings of the 26th annual ACM symposium on User interface software and technology
Surround-see: enabling peripheral vision on smartphones during active use
Proceedings of the 26th annual ACM symposium on User interface software and technology
Augmenting the input space of portable displays using add-on hall-sensor grid
Proceedings of the adjunct publication of the 26th annual ACM symposium on User interface software and technology
PointPose: finger pose estimation for touch input on mobile devices using a depth sensor
Proceedings of the 2013 ACM international conference on Interactive tabletops and surfaces
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This work presents GaussSense, which is a back-of-device sensing technique for enabling input on an arbitrary surface using stylus by exploiting magnetism. A 2mm-thick Hall sensor grid is developed to sense magnets that are embedded in the stylus. Our system can sense the magnetic field that is emitted from the stylus when it is within 2cm of any non-ferromagnetic surface. Attaching the sensor behind an arbitrary thin surface enables the stylus input to be recognized by analyzing the distribution of the applied magnetic field. Attaching the sensor grid to the back of a touchscreen device and incorporating magnets into the corresponding stylus enable the system 1) to distinguish touch events that are caused by a finger from those caused by the stylus, 2) to sense the tilt angle of the stylus and the pressure with which it is applied, and 3) to detect where the stylus hovers over the screen. A pilot study reveals that people were satisfied with the novel sketching experiences based on this system.